Hydrophilic coupler solutions

Details Hydrophilic coupler solutions Hydrophilic coupler solutions

G - Physics

03

C

96/43, 96/98

G03C 1/06 (2006.01) G03C 7/32 (2006.01) G03C 7/388 (2006.01)

Patent

CA 1061155

IMPROVED HYDROPHILIC COUPLER SOLUTIONS ABSTRACT OF THE DISCLOSURE Hydrophilic coupler solutions are improved by the addition of a diepoxide, pyruvaldehyde, ethyleneglycoldi- glycidyl ether or 2,3-butanedione. These solutions exhibit greater stability and a reduced rate of viscosity increase when admixed into gelatin silver halide emulsions.

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